“For those who wish to explore beyond material legends, this study examines the historical reality, textual lineages, and collector debates surrounding Siam’s most revered master.” Few figures loom as large in the Thai Buddhist imagination as Somdej Phra Buddhachan Toh Brahmaramsi (1788–1872), known to almost everyone simply as Somdej Toh. A scholar-monk, meditation master, royal…